chromaffin tissue a tissue composed largely of chromaffin cells, well supplied with nerves and vessels; it occurs in the adrenal medulla and also forms the paraganglia of the body. cicatricial tissue the dense fibrous tissue forming a cicatrix, derived directly from granulation tissue; called also scar tissue.
No. Unemployment, Social Security, retirement benefits, 401K pay outs, etc are not considered earned income for the purpose of calculating earned income credits.
Only earned income, your wages, or net income from self-employment, is covered by Social Security. You may have to pay income tax on pensions, annuities, interest, or dividends, but you do not pay Social Security taxes. Those types of income are not on your Social Security record.